class Box {
    int b,w;
    void Box(int b, int w) {
         this.b = b;  
         this.w = w;
    }
}

public class MyBox extends Box {
    MyBox() {
         super(10, 15);
         System.out.println(b + "," + w);
     }

     static public void main(String args[]) {
           MyBox box = new MyBox();
     }
}